MARYANN M. SHANGO MD
NPI 1942593876
Internal Medicine - Hematology & Oncology in Grand Rapids, MI
About Maryann M. Shango Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARYANN M. SHANGO MD (NPI 1942593876) is an individual hematology & oncology provider in Grand Rapids, Michigan, licensed in Michigan (4301098522) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS, is affiliated with Mercy Health Saint Mary's, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Maryann M. Shango Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Maryann Shango reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 737 clinicians in this Medicare group
Wyoming, MI 49548
- Reassigned Medicare billing, Michigan enrollment
- Also billed through NPI 1487813200 (Michigan)
- 685 clinicians in this Medicare group
Clarkston, MI 48346
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Michigan Healthcare Professionals PC
- 741 clinicians in this Medicare group
Vancouver, WA 98683
- Reassigned Medicare billing, Washington enrollment
- 51 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 45
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Health Saint Mary's
Acute Care Hospitals · Grand Rapids, MIBeaumont Hospital Royal Oak
Acute Care Hospitals · Royal Oak, MIBeaumont Hospital - Farmington Hills
Acute Care Hospitals · Farmington Hills, MIProvidence St Vincent Medical Center
Acute Care Hospitals · Portland, ORLegacy Meridian Park Medical Center
Acute Care Hospitals · Tualatin, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Maryann Shango's NPI number?
The NPI number for Maryann Shango is 1942593876. It was assigned to this individual provider in the NPPES registry on May 25, 2011.
Where is Maryann Shango located?
Maryann Shango practices at 250 Cherry St SE, Grand Rapids, MI 49503. The listed phone number is (616) 685-5600.
What is Maryann Shango's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Maryann Shango enrolled in Medicare?
Yes. Maryann Shango is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Maryann Shango's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maryann Shango reassigns Medicare benefits to 4 organizations: Advantage Health Saint Mary's Medical Group (Grand Rapids, MI), Metropolitan Hospital (Wyoming, MI), Michigan Healthcare Professionals, P.C. (Clarkston, MI) and Northwest Cancer Specialists, PC (Vancouver, WA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Maryann Shango's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maryann Shango accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 4 other insurers list Maryann Shango as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Maryann Shango affiliated with any hospitals?
According to CMS data, Maryann Shango is affiliated with Mercy Health Saint Mary's, Beaumont Hospital Royal Oak, Beaumont Hospital - Farmington Hills, Providence St Vincent Medical Center and Legacy Meridian Park Medical Center.
When was this NPI record last updated?
The NPPES record for Maryann Shango was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.